Special Metals Wiggin manufactures high performance superalloys such as high-nickel, nickel alloys, monel, inconel, incoloy, nimonic, brightray, nilo.Special Metals Corporation is the world's leading innovator and manufacturer of nickel-based superalloys. With over 100 years of history and experience in the nickel industry, we have the processes and knowhow which allow us to offer the industry's widest range of nickel alloy products. Our product portfolio contains over 100 alloy compositions, wrought products and welding consumables, over 85% of which were developed in our own laboratories.